I seem to have the same problem but I'm using AnyData adu-560d with ubuntu 10.10 this is when it changed to a modem ( I believe it was the first time I plugged it in) notice the ERROR message: ubuntu kernel: [ 9740.787731] sr 6:0:0:0: Attached scsi CD-ROM sr1 Feb 12 08:06:40 ubuntu modem-manager: (ttyUSB0): probe requested by plugin 'AnyData' Feb 12 08:06:40 ubuntu modem-manager: (ttyUSB2): probe requested by plugin 'AnyData' Feb 12 08:06:40 ubuntu modem-manager: (ttyUSB1): probe requested by plugin 'AnyData' Feb 12 08:06:41 ubuntu kernel: [ 9772.513796] sr 7:0:0:0: Attached scsi CD-ROM sr1 Feb 12 08:06:42 ubuntu modem-manager: Added modem /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 Feb 12 08:06:42 ubuntu modem-manager: (tty/ttyUSB0): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 Feb 12 08:06:42 ubuntu modem-manager: (tty/ttyUSB1): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 Feb 12 08:06:57 ubuntu modem-manager: last message repeated 2 times Feb 12 08:06:57 ubuntu modem-manager: Exported modem /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 as /org/freedesktop/ModemManager/Modems/0 Feb 12 08:06:57 ubuntu modem-manager: (/org/freedesktop/ModemManager/Modems/0): data port is ttyUSB0 Feb 12 08:06:57 ubuntu modem-manager: Got failure code 100: Unknown error Feb 12 08:07:40 ubuntu modem-manager: last message repeated 5 times Feb 12 08:14:27 ubuntu modem-manager: Removed modem /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 Feb 12 08:19:43 ubuntu kernel: [10554.806771] sr 8:0:0:0: Attached scsi CD-ROM sr1 Feb 12 08:20:14 ubuntu modem-manager: (ttyUSB1): probe requested by plugin 'AnyData' Feb 12 08:20:14 ubuntu modem-manager: (ttyUSB0): probe requested by plugin 'AnyData' Feb 12 08:20:14 ubuntu modem-manager: (ttyUSB2): probe requested by plugin 'AnyData' Feb 12 08:20:15 ubuntu kernel: [10586.524741] sr 9:0:0:0: Attached scsi CD-ROM sr1 Feb 12 08:20:16 ubuntu modem-manager: Added modem /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 Feb 12 08:20:16 ubuntu modem-manager: (tty/ttyUSB0): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 Feb 12 08:20:16 ubuntu modem-manager: (tty/ttyUSB1): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 Feb 12 08:20:16 ubuntu modem-manager: (tty/ttyUSB1): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 Feb 12 08:20:29 ubuntu modem-manager: (tty/ttyUSB2): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 Feb 12 08:20:31 ubuntu modem-manager: Exported modem /sys/devices/pci0000:00/0000:00:1d.0/usb6/6-1 as /org/freedesktop/ModemManager/Modems/1 Feb 12 08:20:31 ubuntu modem-manager: (/org/freedesktop/ModemManager/Modems/1): data port is ttyUSB0 Feb 12 08:36:36 ubuntu modem-manager: Got failure code 100: Unknown error Feb 12 08:37:42 ubuntu modem-manager: last message repeated 5 times After applying all updates in Ubuntu. Modem seems to connect.... it goes thru a cylce then it disconnects. It is doing more than before! But still no internet! Here is My SYSlog from one of these cycles: 12 09:16:38 ubuntu NetworkManager[964]: Activation (ttyUSB0) starting connection 'Kalimat Telecom connection 1' Feb 12 09:16:38 ubuntu NetworkManager[964]: (ttyUSB0): device state change: 3 -> 4 (reason 0) Feb 12 09:16:38 ubuntu NetworkManager[964]: Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) scheduled... Feb 12 09:16:38 ubuntu NetworkManager[964]: Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) started... Feb 12 09:16:38 ubuntu NetworkManager[964]: (ttyUSB0): device state change: 4 -> 6 (reason 0) Feb 12 09:16:38 ubuntu NetworkManager[964]: Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) complete. Feb 12 09:16:38 ubuntu NetworkManager[964]: Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) scheduled... Feb 12 09:16:38 ubuntu NetworkManager[964]: Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) started... Feb 12 09:16:38 ubuntu NetworkManager[964]: (ttyUSB0): device state change: 6 -> 4 (reason 0) Feb 12 09:16:38 ubuntu NetworkManager[964]: Activation (ttyUSB0) Stage 1 of 5 (Device Prepare) complete. Feb 12 09:17:01 ubuntu CRON[30493]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly) Feb 12 09:17:39 ubuntu NetworkManager[964]: CDMA connection failed: (32) No service Feb 12 09:17:39 ubuntu NetworkManager[964]: (ttyUSB0): device state change: 4 -> 9 (reason 0) Feb 12 09:17:39 ubuntu NetworkManager[964]: Marking connection 'Kalimat Telecom connection 1' invalid. Feb 12 09:17:39 ubuntu NetworkManager[964]: Activation (ttyUSB0) failed. Feb 12 09:17:39 ubuntu NetworkManager[964]: (ttyUSB0): device state change: 9 -> 3 (reason 0) Feb 12 09:17:39 ubuntu NetworkManager[964]: (ttyUSB0): deactivating device (reason: 0). Feb 12 09:17:44 ubuntu AptDaemon: INFO: Quiting due to inactivity Feb 12 09:17:44 ubuntu AptDaemon: INFO: Shutdown was requested Feb 12 09:17:44 ubuntu AptDaemon: INFO: Initializing daemon yellow light is on after the cycling. In the manual for modem: YELLOW LIGHT = Success to network acquisition (Idle state)